EP0919937A2 - Système pour l'utilisateur dans un éditeur de multimédia pour afficher seulement les ressources disponibles de medias pour faciliter la sélection - Google Patents

Système pour l'utilisateur dans un éditeur de multimédia pour afficher seulement les ressources disponibles de medias pour faciliter la sélection Download PDF

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Publication number
EP0919937A2
EP0919937A2 EP98122192A EP98122192A EP0919937A2 EP 0919937 A2 EP0919937 A2 EP 0919937A2 EP 98122192 A EP98122192 A EP 98122192A EP 98122192 A EP98122192 A EP 98122192A EP 0919937 A2 EP0919937 A2 EP 0919937A2
Authority
EP
European Patent Office
Prior art keywords
materials
availability
media
scenario
format
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98122192A
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German (de)
English (en)
Other versions
EP0919937A3 (fr
Inventor
Tomoko Matsuzawa
Toshio Oka
Makoto Sato
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of EP0919937A2 publication Critical patent/EP0919937A2/fr
Publication of EP0919937A3 publication Critical patent/EP0919937A3/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
    • G06F16/48—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/489—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using time information
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data

Definitions

  • the invention relates to a system for creating and editing a multimedia program which defines the details of a multimedia application, and more particularly, to a method and system for use in such a multimedia editing system for presenting available media resources or materials such as moving videos, still pictures, audios and texts.
  • a multimedia computer program or a scenario comprises a title name, a running time of the title, a screen layout which defines the windows in which a video, a still picture and a text are displayed, the media materials used in the title, and a schedule for manipulating the media materials.
  • the created scenario is replayed by either the multimedia editing system that created the scenario or any micro-based multimedia player system provided with resources necessary for replaying the scenario.
  • the media resources or materials are typically used in the following formats for each of the media material types: i.e., MPEG(Moving Picture Experts Group)-1 and -2, AVI (Audio Video Interleave: the file format for Microsoft's video for Windows), and DV formats for the video type; JPEG (Joint Photographic Coding Experts Group), BMP (the standard bit-mapped graphics format used in the Windows environment), and PhotoCD (a file format for storing digital photographs) formats for the still picture type; and MIDI (Musical Instrument Digital Interface) and Wave formats for the audio type.
  • MPEG Motion Picture Experts Group
  • AVI Analog Video Interleave: the file format for Microsoft's video for Windows
  • DV formats for the video type
  • JPEG Joint Photographic Coding Experts Group
  • BMP the standard bit-mapped graphics format used in the Windows environment
  • PhotoCD a file format for storing digital photographs
  • MIDI Musical Instrument Digital Interface
  • Conventional multimedia editing or authoring systems generally display all of prepared media materials
  • the user selects one out of the displayed media materials to assign to a layout window either provided by a prepared template or specified by the user if the selected media material is of a visual type (i.e., any of the video, picture and text types) and to assign to a desired scenario time (or a time measured from the beginning of the scenario) to start replaying the selected material if the selected media material is of the audio type. This process is repeated till a desired scenario is obtained.
  • a visual type i.e., any of the video, picture and text types
  • a method of presenting to a user only media materials permitted to situations at a current time in a scenario under editing (hereinafter referred to as a "current scenario time") to facilitate a selection of media material in a system for editing the scenario that defines the details of a multimedia application.
  • the media materials are divided into a plurality of types and wherein each of the types may have at least one format, a part of which is supported by the system and hereinafter referred to as "supported formats.”
  • the method comprising the steps of:
  • FIG. 1 is a schematic block diagram showing an arrangement of a multimedia editing system 100 according to an illustrative embodiment of the invention.
  • the video editing system 100 is a computer-based system which comprises a controller 100 including a central processing unit (not shown), a read only memory (not shown) and a random access memory (not shown) which are interconnected through a system bus 111; a mass storage device 112; a keyboard 116 and a mouse 118 connected through input interfaces (IFs) 114; a display device 122 and a loudspeaker 124 connected through a video/audio interface 120; and a FD (floppy disc) drive 128 connected through FD interface 126.
  • IFs input interfaces
  • a display device 122 and a loudspeaker 124 connected through a video/audio interface 120
  • FD floppy disc
  • the video editing system 100 further comprises an optical disc drive 134 which can play a DVD (digital video disc), a video-CD (video-compact disc), a PhotoCD, etc.
  • the optical disc drive 134 is connected to the system bus 111 through a movie and still media resource interfaces 130.
  • the system 100 further includes an MPEG-2 video/audio decoder 138 for converting a coded video and audio data stream from a DVD into a digital video stream and a digital audio stream which are supplied to the video/audio output interfaces 120.
  • the system 100 further comprises a sound board 136 which provides an audio output function in corporation with a MIDI play program (not shown), a WAVE play program (not shown), or an MPEG-1 audio decoder program (not shown).
  • the video and audio output IFs 120 preferably include an audio digital/analog converter (not shown), a video digital/analog converter (not shown) and an NTSC (National Television Standard Committee) or PAL (Phase Alternation by Line) encoder (not shown) for example.
  • an audio digital/analog converter not shown
  • a video digital/analog converter not shown
  • an NTSC National Television Standard Committee
  • PAL Phase Alternation by Line
  • FIG. 2 is a diagram showing exemplary contents of the mass storage device 112 of FIG. 1.
  • the mass storage device 112 stores an operating system 1.
  • the operating system 1 may be any suitable operating system whether it is a tailored or standard one.
  • the storage device 112 stores not only a multimedia editor program 2 according to the embodiment of the invention but also MPEG-1 decoder 4 for moving pictures, JPEG 6, PhotoCD 8 and BMP 10 decoders for still pictures, and MIDI 12 and WAVE 14 players for audio output. This enables the multimedia editing system 100 not only to create a multimedia application but also to play the created application. Also,
  • the storage device 112 stores various data 16 including media materials for use in scenario editing.
  • the user Before starting editing a multimedia scenario, the user has to collect and/or prepare media materials, which are expected to be useful for making up the scenario. Then the user creates a material table and registers the collected and/or prepared materials to the material table.
  • FIG. 3 is a diagram showing an exemplary structure of a material table or file 20 which stores information on the media materials prepared for a certain multimedia title to be created.
  • the file name of the material table file 20 is, say, "SolarSystem.mtbl.”
  • Each of the records of the material table 20 comprises the fields of FileName which contains a file name of the file that contains the media material, MediaType which contains the type of the media material, Format which contains the format of the media material, FileSize which contains the file size in byte, and DisplayedName which contains a name which is to be presented to the user as a name of the media material.
  • FIG. 4 is a diagram showing an exemplary initial screen displayed when the multimedia editing system 100 is started.
  • a movie frame 41 for displaying a moving picture material There are shown a movie frame 41 for displaying a moving picture material, a still frame 42 for displaying a still picture, and a text frame 43 for displaying a text.
  • the material display frames 41 through 43 are automatically set by the system 100 in this specific example, the user may set the frames 41 through 43 by using one of frame setting buttons MOVIE 44, STILL 45 and TEXT 46, and a mouse 118 dragging operation.
  • the screen 40 includes a play button 47 to preview a scenario in course of editing or to play a completed scenario, a stop button 48 to stop previewing or playing the scenario, a scroll bar 49 and scroll box 50 that roughly indicates the running time (RT) of the scenario and the current scenario time (CST) or the current temporal position in scenario by the scroll box 50 moving with the advance of scenario by playing.
  • the user can roughly set the current scenario time (CST) by dragging the scroll box 50.
  • the screen 40 further includes precise indications of RT 51 and CST 53 and respective pairs 52 and 54 of up and down buttons for precise setting RT 51 and CST 53 to desired values.
  • At the bottom of the screen 40 there is a media material display area 55 where available media materials are displayed.
  • the user desires to start editing a new scenario by using the above-mentioned material table 20 (SolarSystem.mtbl) or to resume editing a scenario under editing by using the table 20, the user creates or opens a scenario file (detailed later) in the name of, say, SolarSystem.scn through a FILE menu 56.
  • the multimedia editing system 100 i.e., the controller 110 operating under the control of the multimedia editor program 2 refers to the material table SolarSystem.mtbl 20 and displays available media materials in the media material display area 55 as shown in FIG. 5.
  • the running time (RT) 51 has been set to just 30 minutes for example.
  • the system 100 displays available media materials in the material display area 55 according to the following principles:
  • the material table 20 preferably includes an availability code (AVAIL.) field.
  • AVAIL. availability code
  • the availability code of 0 indicates that the material is not supported in format (and accordingly referred to as "a format-unsupported material).
  • the availability code of 1 indicates that the material is supported in format but not available due to any of the above-described restrictions (and accordingly referred to as "an unavailable material).
  • the availability code of 2 indicates that the material is supported in format and available without being subjected to any of the above-described restrictions (and accordingly referred to as "an available material).
  • the availability code of each material is automatically stored in the AVAIL. field by the system 100 when the material is registered by the user.
  • FIG. 7 is a flowchart showing an exemplary available material display operation executed by controller 110 under the control of the multimedia editor program 2 when the scenario file (SolarSyatem.scn in this example) is created or opened.
  • scenario file SolarSyatem.scn in this example
  • the format-unsupported materials are not displayed in the available media material display area 55.
  • a movie material of the DV format which is not supported by the system 100 with a file name "Eclipses.dv” (the AVAIL. field has a value of 0) is not displayed in the screen 40a of FIG. 5.
  • the available materials, the AVAIL. fields of which contain a value of 2 are displayed normally as shown in the columns "MOVIE” and "AUDIO" of the screen 40a of FIG. 5.
  • FIG. 8 is a flowchart showing an exemplary available material display operation executed when a material is attached.
  • controller 110 changes the value of the avail. field of the attached material from 2 to 3.
  • controller 110 makes a test to see if the attached material is of a board-sharing format. If so, controller 110 puts a value of 1 in the avail. fields of the materials of board-sharing formats with a value of 2 in the avail. field in step 203 and proceeds to step 204. Otherwise, controller 110 proceeds to step 204.
  • controller makes a test to see if the material is a time-series material, i.e., if the material is of the movie type or the audio type. If so, then controller 110 puts 1 in the avail.
  • step 200 controller 110 displays the available, the unavailable, and the attached materials in the normal way, with a gray background and in thin-line characters, respectively as described in connection with FIG. 7.
  • FIG. 9 is a flowchart showing an exemplary available material display operation executed when an attached material is detached.
  • controller 110 makes a test to see if the attached material is of a board-sharing format. If so, controller 110 puts a value of 2 in the avail. fields of the materials of board-sharing formats with a value of 1 in the avail. field in step 213 and proceeds to step 214. Otherwise, controller 110 proceeds to step 214.
  • controller 110 makes a test to see if the material is a time-series material, i.e., if the material is of the movie type or the audio type. If so, then controller 110 puts 2 in the avail. fields of the same type materials whose play time is not longer than the remaining running time and whose avail.
  • step 216 controller 110 makes a test to see if the detached material is of the wave format. If so, then controller 110 puts 1 in the avail. fields of the wave-format materials whose avail. field contains a value of 2 in step 217 and proceeds to step 200. Otherwise, controller 110 proceeds to step 200.
  • step 200 controller 110 displays the available, the unavailable, and the attached materials in the normal way, with a gray background and in thin-line characters, respectively as described in connection with FIG. 7.
  • FIGs. 10A and 10B when combined together at the point denoted with a encircled letter "A," constitute a flowchart showing an exemplary available material display operation executed when an attached material is deleted.
  • controller 110 changes the value of the AVAIL. field of the deleted material from 3 to 2.
  • controller 110 makes a test to see if there is any attached material. If not, then controller 110 puts 2 in the AVAIL. fields of the supported time-series materials; and puts 1 in the AVAIL. fields of the other supported materials in step 222 and proceeds to step 200. If the test result is YES in decision step 221, controller 110 makes a test in step 223 to see if the deleted material is of a board-sharing format.
  • controller 110 puts a value of 2 in the avail. fields of the materials of board-sharing formats with a value of 1 in the avail. field in step 224 and proceeds to step 225. Otherwise, controller 110 proceeds to step 225.
  • controller 110 makes a test to see if the deleted material is a time-series material, i.e., if the material is of the movie type or the audio type. If so, then controller 110 puts 2 in the avail. fields of the same type materials whose play time is not longer than the remaining running time and whose avail. field contains 1 in step 226 and proceeds to step 216. If the test result is NO in step 214, controller 110 proceeds to step 227.
  • controller 110 makes a test to see if the deleted material is of the wave format. If so, then controller 110 puts 2 in the avail. fields of the wave-format materials whose avail. field contains a value of 1 in step 228 and proceeds to step 200. Otherwise, controller 110 proceeds to step 200.
  • controller 110 again displays the available, the unavailable, and the attached materials in the normal way, with a gray background and in thin-line characters, respectively as described in connection with FIG. 7.
  • FIG. 11 is a flowchart showing an exemplary available material display operation executed when the size of a text frame is changed.
  • controller 110 makes a test to see if a first text material that has a value of 1 or 2 in the AVAIL.
  • controller 110 After step 232 or 233, controller 110 proceeds to step 234, where controller 110 makes a test to see if the text materials that have a value of 1 or 2 in the AVAIL. field have been exhausted. If not, then controller 110 makes another test in step 235 to see if a next text material that has a value of 1 or 2 in the AVAIL. field will overflow the text frame that has been changed in size if the material is put in the frame. If so, controller proceeds to step 232, otherwise proceeds to step 233. If the test result is YES in decision step 234, then controller 110 ends the operation.
  • FIG. 12 is a flowchart showing an exemplary available material display operation executed when the current scenario time is changed.
  • controller 110 makes a test to see if the last scenario time (ST) was within the playtime of any material of a board-sharing format. If so, a test is made in step 242 to see if the CST is within the playtime of any material of a board-sharing format. If so, controller 110 proceeds to step 246. Otherwise in step 242, controller 110 puts 2 in the AVAIL. fields of the materials of any board-sharing format with a value of 1 in the AVAIL. field in step 244 and proceeds to step 246.
  • ST last scenario time
  • controller 110 makes a test in step 234 to see if the CST is within the play time of any material of a board-sharing format. If so, controller 110 puts 1 in the avail. fields of the materials of any board-sharing format with a value of 2 in the avail. field in step 245 and proceeds to step 246. Otherwise, controller 110 proceeds to the step 246.
  • controller 110 makes a test to see if the last scenario time was within the play time of any wave-format material plus subsequent 3 seconds. If so, controller 110 makes a test in step 247 to see if the CST is within the play time of any wave-format material plus subsequent 3 seconds. If not, controller 110 puts 2 in the AVAIL. fields of the materials of the WAVE format with a value of 1 in the avail. field in step 249 and ends the operation.
  • controller 110 makes a test in step 248 to see if the CST is within the play time of any wave-format material plus subsequent 3 seconds. If so, controller 110 puts 1 in the AVAIL. fields of the materials of the WAVE format with a value of 2 in the avail. field in step 250 and ends the operation. Otherwise, controller 110 ends the operation.
  • the available materials, the unavailable materials, and the attached materials are displayed in different manners each time of the operations of attaching, detaching and deleting a material, and changing the text frame size and the CST. This facilitates the user's editing operation.
  • the material table 20 and the displayed screen 40a becomes as shown in FIGs. 13 and 14, respectively.
  • the AVAIL. field of the material SolarSys.mpg has changed from 2 to 3.
  • the user since the user has changed the CST to 5° 00′′ in scenario time, the AVAIL.
  • the user In attaching a material of any visual type such as a movie, still or text type, the user first specifies the material type of desired material, for example, by clicking on a frame of the material type. In this case, it is preferable to display the specified frame and available materials of the specified type in a special color.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Data Mining & Analysis (AREA)
  • Multimedia (AREA)
  • Library & Information Science (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Processing Or Creating Images (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Studio Circuits (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Television Signal Processing For Recording (AREA)
EP98122192A 1997-11-28 1998-11-27 Système pour l'utilisateur dans un éditeur de multimédia pour afficher seulement les ressources disponibles de medias pour faciliter la sélection Withdrawn EP0919937A3 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP09342013A JP3130852B2 (ja) 1997-11-28 1997-11-28 マルチメディアシナリオ作成装置
JP342013/97 1997-11-28
JP34201397 1997-11-28

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EP0919937A2 true EP0919937A2 (fr) 1999-06-02
EP0919937A3 EP0919937A3 (fr) 2000-08-16

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EP98122192A Withdrawn EP0919937A3 (fr) 1997-11-28 1998-11-27 Système pour l'utilisateur dans un éditeur de multimédia pour afficher seulement les ressources disponibles de medias pour faciliter la sélection

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EP (1) EP0919937A3 (fr)
JP (1) JP3130852B2 (fr)

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EP0919937A3 (fr) 2000-08-16
JP3130852B2 (ja) 2001-01-31
US6262723B1 (en) 2001-07-17
JPH11161676A (ja) 1999-06-18

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